Ms. Casey (played Dichen Lachman) is the a severed worker in the Apple TV series Severance.  Originally working in the Wellness department, Ms. Casey provides therapy-like services for other workers including Irving B. and Mark S.  Ms. Casey is a part-time worker and it is eventually revealed that she and Mark had a relationship outside of Lumon.  Ms. Casey has short black hair and wears vintage-inspired outfits including a Peter Pan collar blouse with dark sweater and tweed skirt, and a burgundy dress with a high neckline and grey heels.

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